An extraordinary discovery was made at the Valencina Copper Age mega-site in southwest Spain, which has captured the attention of a team of Spanish researchers—a rare sperm whale tooth uncovered in ...

Sperm whales are often spotted in groups (called pods) of some 15 to 20 animals, according to National Geographic. Pods include females and their young, while males may roam solo or move from ...

Sperm whales rely on echolocation to sense their surroundings, and can only see around 35 feet (10.7 meters) ahead of themselves in most water.